A Sudanese demonstrator wears a national flag during an anti-government protest in the Haj Yousef neighbourhood of the Bahari district in the capital Khartoum. AFP
A Sudanese demonstrator wears a national flag during an anti-government protest in the Haj Yousef neighbourhood of the Bahari district in the capital Khartoum. AFP

Sudan opposition leader freed as Khartoum goes on strike